1/*
2 * arch/arm/mach-w90x900/include/mach/uncompress.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation
5 * All rights reserved.
6 *
7 * Wan ZongShun <mcuos.com@gmail.com>
8 *
9 * Based on arch/arm/mach-s3c2410/include/mach/uncompress.h
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 */
17
18#ifndef __ASM_ARCH_UNCOMPRESS_H
19#define __ASM_ARCH_UNCOMPRESS_H
20
21/* Defines for UART registers */
22
23#include <mach/regs-serial.h>
24#include <mach/map.h>
25#include <linux/serial_reg.h>
26
27#define TX_DONE	(UART_LSR_TEMT | UART_LSR_THRE)
28static volatile u32 * const uart_base = (u32 *)UART0_PA;
29
30static void putc(int ch)
31{
32	/* Check THRE and TEMT bits before we transmit the character.
33	 */
34	while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
35		barrier();
36
37	*uart_base = ch;
38}
39
40static inline void flush(void)
41{
42}
43
44static void arch_decomp_setup(void)
45{
46}
47
48#endif/* __ASM_W90X900_UNCOMPRESS_H */
49